Knob for faucet



FIG. 1 is a front elevational view of a knob for a faucet, showing mynew design;

FIG. 2 is a rear elevational view;

FIG. 3 is a side elevational view, the opposite side being a mirrorimage;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom view.

The ornamental design for a knob for faucet, as shown and described.